62971997 has 4 divisors (see below), whose sum is σ = 68696736. Its totient is φ = 57247260.

The previous prime is 62971981. The next prime is 62972009. The reversal of 62971997 is 79917926.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 62971997 - 2⁴ = 62971981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (62971957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2862353 + ... + 2862374.

It is an arithmetic number, because the mean of its divisors is an integer number (17174184).

Almost surely, 2^62971997 is an apocalyptic number.

It is an amenable number.

62971997 is a deficient number, since it is larger than the sum of its proper divisors (5724739).

62971997 is a wasteful number, since it uses less digits than its factorization.

62971997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724738.

The product of its digits is 428652, while the sum is 50.

The square root of 62971997 is about 7935.4897139370. The cubic root of 62971997 is about 397.8467567408.

The spelling of 62971997 in words is "sixty-two million, nine hundred seventy-one thousand, nine hundred ninety-seven".