70775131 has 8 divisors (see below), whose sum is σ = 85644000. Its totient is φ = 57095808.

The previous prime is 70775113. The next prime is 70775137. The reversal of 70775131 is 13157707.

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

It is not a de Polignac number, because 70775131 - 2⁹ = 70774619 is a prime.

It is a super-2 number, since 2×70775131² = 10018238336134322, 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 = 70775093 and 70775102.

It is not an unprimeable number, because it can be changed into a prime (70775137) 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, 297256 + ... + 297493.

It is an arithmetic number, because the mean of its divisors is an integer number (10705500).

Almost surely, 2^70775131 is an apocalyptic number.

70775131 is a deficient number, since it is larger than the sum of its proper divisors (14868869).

70775131 is a wasteful number, since it uses less digits than its factorization.

70775131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594773.

The product of its (nonzero) digits is 5145, while the sum is 31.

The square root of 70775131 is about 8412.7956708814. The cubic root of 70775131 is about 413.6441569576.

The spelling of 70775131 in words is "seventy million, seven hundred seventy-five thousand, one hundred thirty-one".