74207494 has 4 divisors (see below), whose sum is σ = 111311244. Its totient is φ = 37103746.

The previous prime is 74207489. The next prime is 74207503. The reversal of 74207494 is 49470247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49470247 = 563 ⋅87869.

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, 18551872 + ... + 18551875.

It is an arithmetic number, because the mean of its divisors is an integer number (27827811).

Almost surely, 2^74207494 is an apocalyptic number.

74207494 is a deficient number, since it is larger than the sum of its proper divisors (37103750).

74207494 is a wasteful number, since it uses less digits than its factorization.

74207494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37103749.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 74207494 is about 8614.3771684319. The cubic root of 74207494 is about 420.2256799223.

The spelling of 74207494 in words is "seventy-four million, two hundred seven thousand, four hundred ninety-four".