70440434 has 8 divisors (see below), whose sum is σ = 105920220. Its totient is φ = 35133696.

The previous prime is 70440427. The next prime is 70440473. The reversal of 70440434 is 43404407.

It can be written as a sum of positive squares in 2 ways, for example, as 68939809 + 1500625 = 8303^2 + 1225^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42239 + ... + 43874.

Almost surely, 2^70440434 is an apocalyptic number.

70440434 is a deficient number, since it is larger than the sum of its proper divisors (35479786).

70440434 is a wasteful number, since it uses less digits than its factorization.

70440434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86524.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 70440434 is about 8392.8799586316. The cubic root of 70440434 is about 412.9910825951.

The spelling of 70440434 in words is "seventy million, four hundred forty thousand, four hundred thirty-four".