70375739 has 16 divisors (see below), whose sum is σ = 83159808. Its totient is φ = 58296672.

The previous prime is 70375729. The next prime is 70375751. The reversal of 70375739 is 93757307.

It is not a de Polignac number, because 70375739 - 2⁸ = 70375483 is a prime.

It is a super-2 number, since 2×70375739² = 9905489279592242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70375696 and 70375705.

It is not an unprimeable number, because it can be changed into a prime (70375729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41384 + ... + 43050.

It is an arithmetic number, because the mean of its divisors is an integer number (5197488).

Almost surely, 2^70375739 is an apocalyptic number.

70375739 is a deficient number, since it is larger than the sum of its proper divisors (12784069).

70375739 is a wasteful number, since it uses less digits than its factorization.

70375739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874.

The product of its (nonzero) digits is 138915, while the sum is 41.

The square root of 70375739 is about 8389.0249135403. The cubic root of 70375739 is about 412.8646086346.

The spelling of 70375739 in words is "seventy million, three hundred seventy-five thousand, seven hundred thirty-nine".