70099431 has 16 divisors (see below), whose sum is σ = 95946240. Its totient is φ = 45508320.

The previous prime is 70099399. The next prime is 70099439. The reversal of 70099431 is 13499007.

It is not a de Polignac number, because 70099431 - 2⁵ = 70099399 is a prime.

It is a super-3 number, since 3×70099431³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 70099392 and 70099401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70099439) 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, 16990 + ... + 20708.

It is an arithmetic number, because the mean of its divisors is an integer number (5996640).

Almost surely, 2^70099431 is an apocalyptic number.

70099431 is a deficient number, since it is larger than the sum of its proper divisors (25846809).

70099431 is a wasteful number, since it uses less digits than its factorization.

70099431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3886.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 70099431 is about 8372.5402955137. The cubic root of 70099431 is about 412.3235726699.

The spelling of 70099431 in words is "seventy million, ninety-nine thousand, four hundred thirty-one".