70972494 has 16 divisors (see below), whose sum is σ = 143742720. Its totient is φ = 23357880.

The previous prime is 70972493. The next prime is 70972507. The reversal of 70972494 is 49427907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70972493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74392 + ... + 75339.

It is an arithmetic number, because the mean of its divisors is an integer number (8983920).

Almost surely, 2^70972494 is an apocalyptic number.

70972494 is an abundant number, since it is smaller than the sum of its proper divisors (72770226).

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

70972494 is a wasteful number, since it uses less digits than its factorization.

70972494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149815.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 70972494 is about 8424.5174342511. The cubic root of 70972494 is about 414.0282951092.

It can be divided in two parts, 7097 and 2494, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 70972494 in words is "seventy million, nine hundred seventy-two thousand, four hundred ninety-four".