70739400 has 48 divisors (see below), whose sum is σ = 219294000. Its totient is φ = 18863680.

The previous prime is 70739387. The next prime is 70739419. The reversal of 70739400 is 493707.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58350 + ... + 59549.

It is an arithmetic number, because the mean of its divisors is an integer number (4568625).

Almost surely, 2^70739400 is an apocalyptic number.

It is an amenable number.

70739400 is an abundant number, since it is smaller than the sum of its proper divisors (148554600).

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

70739400 is a wasteful number, since it uses less digits than its factorization.

70739400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117918 (or 117909 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 70739400 is about 8410.6717924313. The cubic root of 70739400 is about 413.5745354814.

The spelling of 70739400 in words is "seventy million, seven hundred thirty-nine thousand, four hundred".