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70737042 = 2381114537
BaseRepresentation
bin1000011011101…
…01110010010010
311221002210222110
410031311302102
5121102041132
611004050150
71516153305
oct415656222
9157083873
1070737042
1136a24872
121b833956
131186914c
149574b3c
1563241cc
hex4375c92

70737042 has 16 divisors (see below), whose sum is σ = 141658272. Its totient is φ = 23548320.

The previous prime is 70736977. The next prime is 70737049. The reversal of 70737042 is 24073707.

It is a happy number.

It is a super-2 number, since 2×707370422 = 10007458221819528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70737049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2403 + ... + 12134.

It is an arithmetic number, because the mean of its divisors is an integer number (8853642).

Almost surely, 270737042 is an apocalyptic number.

70737042 is an abundant number, since it is smaller than the sum of its proper divisors (70921230).

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

70737042 is a wasteful number, since it uses less digits than its factorization.

70737042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15353.

The product of its (nonzero) digits is 8232, while the sum is 30.

The square root of 70737042 is about 8410.5316122110. The cubic root of 70737042 is about 413.5699401187.

The spelling of 70737042 in words is "seventy million, seven hundred thirty-seven thousand, forty-two".

Divisors: 1 2 3 6 811 1622 2433 4866 14537 29074 43611 87222 11789507 23579014 35368521 70737042