70820492 has 12 divisors (see below), whose sum is σ = 127934016. Its totient is φ = 34267920.

The previous prime is 70820483. The next prime is 70820507. The reversal of 70820492 is 29402807.

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, 285443 + ... + 285690.

It is an arithmetic number, because the mean of its divisors is an integer number (10661168).

Almost surely, 2^70820492 is an apocalyptic number.

It is an amenable number.

70820492 is a deficient number, since it is larger than the sum of its proper divisors (57113524).

70820492 is a wasteful number, since it uses less digits than its factorization.

70820492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571168 (or 571166 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 70820492 is about 8415.4911918438. The cubic root of 70820492 is about 413.7325086389.

The spelling of 70820492 in words is "seventy million, eight hundred twenty thousand, four hundred ninety-two".