Search a number
-
+
74771713 = 283264211
BaseRepresentation
bin1000111010011…
…10110100000001
312012200210111201
410131032310001
5123120143323
611230341201
71565356222
oct435166401
9165623451
1074771713
1139230105
122105a801
131264c723
149d05249
15686e8ad
hex474ed01

74771713 has 4 divisors (see below), whose sum is σ = 75036208. Its totient is φ = 74507220.

The previous prime is 74771693. The next prime is 74771731. The reversal of 74771713 is 31717747.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 74771713 - 25 = 74771681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74771743) 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, 131823 + ... + 132388.

It is an arithmetic number, because the mean of its divisors is an integer number (18759052).

Almost surely, 274771713 is an apocalyptic number.

It is an amenable number.

74771713 is a deficient number, since it is larger than the sum of its proper divisors (264495).

74771713 is a wasteful number, since it uses less digits than its factorization.

74771713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264494.

The product of its digits is 28812, while the sum is 37.

The square root of 74771713 is about 8647.0638369333. The cubic root of 74771713 is about 421.2880206476.

The spelling of 74771713 in words is "seventy-four million, seven hundred seventy-one thousand, seven hundred thirteen".

Divisors: 1 283 264211 74771713