74679746 has 4 divisors (see below), whose sum is σ = 112019622. Its totient is φ = 37339872.

The previous prime is 74679743. The next prime is 74679749. The reversal of 74679746 is 64797647.

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

It is an interprime number because it is at equal distance from previous prime (74679743) and next prime (74679749).

It can be written as a sum of positive squares in only one way, i.e., 42315025 + 32364721 = 6505^2 + 5689^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74679694 and 74679703.

It is not an unprimeable number, because it can be changed into a prime (74679743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18669935 + ... + 18669938.

Almost surely, 2^74679746 is an apocalyptic number.

74679746 is a deficient number, since it is larger than the sum of its proper divisors (37339876).

74679746 is a wasteful number, since it uses less digits than its factorization.

74679746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37339875.

The product of its digits is 1778112, while the sum is 50.

The square root of 74679746 is about 8641.7443840928. The cubic root of 74679746 is about 421.1152258406.

The spelling of 74679746 in words is "seventy-four million, six hundred seventy-nine thousand, seven hundred forty-six".