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70739616 = 253736871
BaseRepresentation
bin1000011011101…
…10011010100000
311221002221111210
410031312122200
5121102131431
611004110120
71516163643
oct415663240
9157087453
1070739616
1136a267a2
121b835340
131186a37c
149575a5a
156324d46
hex43766a0

70739616 has 24 divisors (see below), whose sum is σ = 185691744. Its totient is φ = 23579840.

The previous prime is 70739611. The next prime is 70739621. The reversal of 70739616 is 61693707.

It is an interprime number because it is at equal distance from previous prime (70739611) and next prime (70739621).

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (70739611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368340 + ... + 368531.

It is an arithmetic number, because the mean of its divisors is an integer number (7737156).

Almost surely, 270739616 is an apocalyptic number.

It is an amenable number.

70739616 is an abundant number, since it is smaller than the sum of its proper divisors (114952128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70739616 is a wasteful number, since it uses less digits than its factorization.

70739616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736884 (or 736876 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 70739616 is about 8410.6846332507. The cubic root of 70739616 is about 413.5749564255.

The spelling of 70739616 in words is "seventy million, seven hundred thirty-nine thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 736871 1473742 2210613 2947484 4421226 5894968 8842452 11789936 17684904 23579872 35369808 70739616