70553478 has 32 divisors (see below), whose sum is σ = 144921600. Its totient is φ = 22890816.

The previous prime is 70553467. The next prime is 70553501. The reversal of 70553478 is 87435507.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33583 + ... + 35621.

It is an arithmetic number, because the mean of its divisors is an integer number (4528800).

Almost surely, 2^70553478 is an apocalyptic number.

70553478 is an abundant number, since it is smaller than the sum of its proper divisors (74368122).

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

70553478 is a wasteful number, since it uses less digits than its factorization.

70553478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 70553478 is about 8399.6117767430. The cubic root of 70553478 is about 413.2118895440.

The spelling of 70553478 in words is "seventy million, five hundred fifty-three thousand, four hundred seventy-eight".