972118762 has 4 divisors (see below), whose sum is σ = 1458178146. Its totient is φ = 486059380.

The previous prime is 972118729. The next prime is 972118783. The reversal of 972118762 is 267811279.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 956603041 + 15515721 = 30929^2 + 3939^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243029689 + ... + 243029692.

Almost surely, 2^972118762 is an apocalyptic number.

972118762 is a deficient number, since it is larger than the sum of its proper divisors (486059384).

972118762 is a wasteful number, since it uses less digits than its factorization.

972118762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486059383.

The product of its digits is 84672, while the sum is 43.

The square root of 972118762 is about 31178.8191245275. The cubic root of 972118762 is about 990.6185170052.

The spelling of 972118762 in words is "nine hundred seventy-two million, one hundred eighteen thousand, seven hundred sixty-two".