70404861 has 16 divisors (see below), whose sum is σ = 99008000. Its totient is φ = 44378928.

The previous prime is 70404853. The next prime is 70404883. The reversal of 70404861 is 16840407.

It is not a de Polignac number, because 70404861 - 2³ = 70404853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70404811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40590 + ... + 42288.

It is an arithmetic number, because the mean of its divisors is an integer number (6188000).

Almost surely, 2^70404861 is an apocalyptic number.

It is an amenable number.

70404861 is a deficient number, since it is larger than the sum of its proper divisors (28603139).

70404861 is a wasteful number, since it uses less digits than its factorization.

70404861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 70404861 is about 8390.7604542139. The cubic root of 70404861 is about 412.9215495881.

The spelling of 70404861 in words is "seventy million, four hundred four thousand, eight hundred sixty-one".