70421548 has 24 divisors (see below), whose sum is σ = 132148800. Its totient is φ = 32717568.

The previous prime is 70421537. The next prime is 70421551. The reversal of 70421548 is 84512407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183 + ... + 11926.

It is an arithmetic number, because the mean of its divisors is an integer number (5506200).

Almost surely, 2^70421548 is an apocalyptic number.

It is an amenable number.

70421548 is a deficient number, since it is larger than the sum of its proper divisors (61727252).

70421548 is a wasteful number, since it uses less digits than its factorization.

70421548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13209 (or 13207 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 70421548 is about 8391.7547628610. The cubic root of 70421548 is about 412.9541698622.

The spelling of 70421548 in words is "seventy million, four hundred twenty-one thousand, five hundred forty-eight".