70436874 has 32 divisors (see below), whose sum is σ = 143619840. Its totient is φ = 23025600.

The previous prime is 70436869. The next prime is 70436909. The reversal of 70436874 is 47863407.

It is a happy number.

It is a super-2 number, since 2×70436874² = 9922706437783752, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85384 + ... + 86204.

It is an arithmetic number, because the mean of its divisors is an integer number (4488120).

Almost surely, 2^70436874 is an apocalyptic number.

70436874 is an abundant number, since it is smaller than the sum of its proper divisors (73182966).

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

70436874 is a wasteful number, since it uses less digits than its factorization.

70436874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 70436874 is about 8392.6678714221. The cubic root of 70436874 is about 412.9841250711.

The spelling of 70436874 in words is "seventy million, four hundred thirty-six thousand, eight hundred seventy-four".