70933131 has 16 divisors (see below), whose sum is σ = 105232800. Its totient is φ = 47222784.

The previous prime is 70933103. The next prime is 70933139. The reversal of 70933131 is 13133907.

It is not a de Polignac number, because 70933131 - 2⁷ = 70933003 is a prime.

It is a super-2 number, since 2×70933131² = 10063018146926322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 70933095 and 70933104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70933139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25035 + ... + 27723.

It is an arithmetic number, because the mean of its divisors is an integer number (6577050).

Almost surely, 2^70933131 is an apocalyptic number.

70933131 is a deficient number, since it is larger than the sum of its proper divisors (34299669).

70933131 is a wasteful number, since it uses less digits than its factorization.

70933131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675 (or 3669 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 27.

The square root of 70933131 is about 8422.1808933316. The cubic root of 70933131 is about 413.9517377052.

The spelling of 70933131 in words is "seventy million, nine hundred thirty-three thousand, one hundred thirty-one".