43972492 has 6 divisors (see below), whose sum is σ = 76951868. Its totient is φ = 21986244.

The previous prime is 43972469. The next prime is 43972493. The reversal of 43972492 is 29427934.

It is not an unprimeable number, because it can be changed into a prime (43972493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5496558 + ... + 5496565.

Almost surely, 2^43972492 is an apocalyptic number.

It is an amenable number.

43972492 is a deficient number, since it is larger than the sum of its proper divisors (32979376).

43972492 is a wasteful number, since it uses less digits than its factorization.

43972492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10993127 (or 10993125 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 43972492 is about 6631.1757630152. The cubic root of 43972492 is about 352.9612478760.

It can be divided in two parts, 4397 and 2492, that added together give a square (6889 = 83²).

The spelling of 43972492 in words is "forty-three million, nine hundred seventy-two thousand, four hundred ninety-two".