61972954 has 4 divisors (see below), whose sum is σ = 92959434. Its totient is φ = 30986476.

The previous prime is 61972949. The next prime is 61972961. The reversal of 61972954 is 45927916.

It is a happy number.

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., 41024025 + 20948929 = 6405^2 + 4577^2 .

It is a super-2 number, since 2×61972954² = 7681294054972232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61972954.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15493237 + ... + 15493240.

Almost surely, 2^61972954 is an apocalyptic number.

61972954 is a deficient number, since it is larger than the sum of its proper divisors (30986480).

61972954 is a wasteful number, since it uses less digits than its factorization.

61972954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30986479.

The product of its digits is 136080, while the sum is 43.

The square root of 61972954 is about 7872.2902639575. The cubic root of 61972954 is about 395.7316014489.

It can be divided in two parts, 61972 and 954, that added together give a palindrome (62926).

The spelling of 61972954 in words is "sixty-one million, nine hundred seventy-two thousand, nine hundred fifty-four".