70542772 has 6 divisors (see below), whose sum is σ = 123449858. Its totient is φ = 35271384.

The previous prime is 70542751. The next prime is 70542793. The reversal of 70542772 is 27724507.

It is an interprime number because it is at equal distance from previous prime (70542751) and next prime (70542793).

It can be written as a sum of positive squares in only one way, i.e., 67963536 + 2579236 = 8244^2 + 1606^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8817843 + ... + 8817850.

Almost surely, 2^70542772 is an apocalyptic number.

It is an amenable number.

70542772 is a deficient number, since it is larger than the sum of its proper divisors (52907086).

70542772 is a wasteful number, since it uses less digits than its factorization.

70542772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17635697 (or 17635695 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 70542772 is about 8398.9744612066. The cubic root of 70542772 is about 413.1909878091.

The spelling of 70542772 in words is "seventy million, five hundred forty-two thousand, seven hundred seventy-two".