70887345 has 16 divisors (see below), whose sum is σ = 113564160. Its totient is φ = 37758464.

The previous prime is 70887337. The next prime is 70887353. The reversal of 70887345 is 54378807.

It is an interprime number because it is at equal distance from previous prime (70887337) and next prime (70887353).

It is a cyclic number.

It is not a de Polignac number, because 70887345 - 2³ = 70887337 is a prime.

It is a super-2 number, since 2×70887345² = 10050031362298050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70887297 and 70887306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11392 + ... + 16478.

It is an arithmetic number, because the mean of its divisors is an integer number (7097760).

Almost surely, 2^70887345 is an apocalyptic number.

It is an amenable number.

70887345 is a deficient number, since it is larger than the sum of its proper divisors (42676815).

70887345 is a wasteful number, since it uses less digits than its factorization.

70887345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6024.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 70887345 is about 8419.4622749912. The cubic root of 70887345 is about 413.8626525183.

The spelling of 70887345 in words is "seventy million, eight hundred eighty-seven thousand, three hundred forty-five".