70186434 has 16 divisors (see below), whose sum is σ = 142296672. Its totient is φ = 23074848.

The previous prime is 70186429. The next prime is 70186451. The reversal of 70186434 is 43468107.

It is a super-2 number, since 2×70186434² = 9852271035272712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70186395 and 70186404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79684 + ... + 80559.

It is an arithmetic number, because the mean of its divisors is an integer number (8893542).

Almost surely, 2^70186434 is an apocalyptic number.

70186434 is an abundant number, since it is smaller than the sum of its proper divisors (72110238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70186434 is a wasteful number, since it uses less digits than its factorization.

70186434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160321.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 70186434 is about 8377.7344192807. The cubic root of 70186434 is about 412.4940854983.

The spelling of 70186434 in words is "seventy million, one hundred eighty-six thousand, four hundred thirty-four".