70431600 has 60 divisors (see below), whose sum is σ = 225619736. Its totient is φ = 18781440.

The previous prime is 70431593. The next prime is 70431611. The reversal of 70431600 is 613407.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×70431600² = 9921220557120000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28147 + ... + 30546.

Almost surely, 2^70431600 is an apocalyptic number.

It is an amenable number.

70431600 is an abundant number, since it is smaller than the sum of its proper divisors (155188136).

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

70431600 is a wasteful number, since it uses less digits than its factorization.

70431600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58714 (or 58703 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 70431600 is about 8392.3536627099. The cubic root of 70431600 is about 412.9738173420.

The spelling of 70431600 in words is "seventy million, four hundred thirty-one thousand, six hundred".