70747169 has 8 divisors (see below), whose sum is σ = 73415232. Its totient is φ = 68125680.

The previous prime is 70747163. The next prime is 70747199. The reversal of 70747169 is 96174707.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70747169 - 2⁸ = 70746913 is a prime.

It is a super-2 number, since 2×70747169² = 10010323843029122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70747163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8534 + ... + 14639.

It is an arithmetic number, because the mean of its divisors is an integer number (9176904).

Almost surely, 2^70747169 is an apocalyptic number.

It is an amenable number.

70747169 is a deficient number, since it is larger than the sum of its proper divisors (2668063).

70747169 is a wasteful number, since it uses less digits than its factorization.

70747169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23287.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 70747169 is about 8411.1336334646. The cubic root of 70747169 is about 413.5896752901.

The spelling of 70747169 in words is "seventy million, seven hundred forty-seven thousand, one hundred sixty-nine".