70978248 has 64 divisors (see below), whose sum is σ = 215092800. Its totient is φ = 21507840.

The previous prime is 70978231. The next prime is 70978273. The reversal of 70978248 is 84287907.

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 15 ways as a sum of consecutive naturals, for example, 12561 + ... + 17312.

It is an arithmetic number, because the mean of its divisors is an integer number (3360825).

Almost surely, 2^70978248 is an apocalyptic number.

It is an amenable number.

70978248 is an abundant number, since it is smaller than the sum of its proper divisors (144114552).

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

70978248 is a wasteful number, since it uses less digits than its factorization.

70978248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29899 (or 29889 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 70978248 is about 8424.8589305697. The cubic root of 70978248 is about 414.0394837369.

The spelling of 70978248 in words is "seventy million, nine hundred seventy-eight thousand, two hundred forty-eight".