972070477 has 12 divisors (see below), whose sum is σ = 1131437916. Its totient is φ = 832715520.

The previous prime is 972070447. The next prime is 972070481. The reversal of 972070477 is 774070279.

It can be written as a sum of positive squares in 2 ways, for example, as 259660996 + 712409481 = 16114^2 + 26691^2 .

It is not a de Polignac number, because 972070477 - 2¹⁵ = 972037709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (972070447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97203 + ... + 106735.

It is an arithmetic number, because the mean of its divisors is an integer number (94286493).

Almost surely, 2^972070477 is an apocalyptic number.

It is an amenable number.

972070477 is a deficient number, since it is larger than the sum of its proper divisors (159367439).

972070477 is a wasteful number, since it uses less digits than its factorization.

972070477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11628 (or 11621 counting only the distinct ones).

The product of its (nonzero) digits is 172872, while the sum is 43.

The square root of 972070477 is about 31178.0447911667. The cubic root of 972070477 is about 990.6021154403.

The spelling of 972070477 in words is "nine hundred seventy-two million, seventy thousand, four hundred seventy-seven".