70978492 has 12 divisors (see below), whose sum is σ = 133767256. Its totient is φ = 32759280.

The previous prime is 70978477. The next prime is 70978541. The reversal of 70978492 is 29487907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682434 + ... + 682537.

Almost surely, 2^70978492 is an apocalyptic number.

It is an amenable number.

70978492 is a deficient number, since it is larger than the sum of its proper divisors (62788764).

70978492 is a wasteful number, since it uses less digits than its factorization.

70978492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364988 (or 1364986 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 70978492 is about 8424.8734115119. The cubic root of 70978492 is about 414.0399581804.

The spelling of 70978492 in words is "seventy million, nine hundred seventy-eight thousand, four hundred ninety-two".