70987254 has 16 divisors (see below), whose sum is σ = 152895792. Its totient is φ = 21842208.

The previous prime is 70987243. The next prime is 70987271. The reversal of 70987254 is 45278907.

It is an alternating number because its digits alternate between odd and even.

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 7 ways as a sum of consecutive naturals, for example, 454969 + ... + 455124.

It is an arithmetic number, because the mean of its divisors is an integer number (9555987).

Almost surely, 2^70987254 is an apocalyptic number.

70987254 is an abundant number, since it is smaller than the sum of its proper divisors (81908538).

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

70987254 is a wasteful number, since it uses less digits than its factorization.

70987254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910111.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 70987254 is about 8425.3934032780. The cubic root of 70987254 is about 414.0569946504.

The spelling of 70987254 in words is "seventy million, nine hundred eighty-seven thousand, two hundred fifty-four".