70401128 has 16 divisors (see below), whose sum is σ = 150859680. Its totient is φ = 30171888.

The previous prime is 70401109. The next prime is 70401143. The reversal of 70401128 is 82110407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628526 + ... + 628637.

It is an arithmetic number, because the mean of its divisors is an integer number (9428730).

Almost surely, 2^70401128 is an apocalyptic number.

It is an amenable number.

70401128 is an abundant number, since it is smaller than the sum of its proper divisors (80458552).

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

70401128 is a wasteful number, since it uses less digits than its factorization.

70401128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257176 (or 1257172 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 70401128 is about 8390.5380042045. The cubic root of 70401128 is about 412.9142514965.

The spelling of 70401128 in words is "seventy million, four hundred one thousand, one hundred twenty-eight".