74479982 has 4 divisors (see below), whose sum is σ = 111719976. Its totient is φ = 37239990.

The previous prime is 74479939. The next prime is 74479991. The reversal of 74479982 is 28997447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28997447 = 503 ⋅57649.

It is a self number, because there is not a number n which added to its sum of digits gives 74479982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18619994 + ... + 18619997.

It is an arithmetic number, because the mean of its divisors is an integer number (27929994).

Almost surely, 2^74479982 is an apocalyptic number.

74479982 is a deficient number, since it is larger than the sum of its proper divisors (37239994).

74479982 is a wasteful number, since it uses less digits than its factorization.

74479982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37239993.

The product of its digits is 1016064, while the sum is 50.

The square root of 74479982 is about 8630.1785613045. The cubic root of 74479982 is about 420.7394042522.

The spelling of 74479982 in words is "seventy-four million, four hundred seventy-nine thousand, nine hundred eighty-two".