74531494 has 4 divisors (see below), whose sum is σ = 111797244. Its totient is φ = 37265746.

The previous prime is 74531491. The next prime is 74531497. The reversal of 74531494 is 49413547.

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 (74531491) and next prime (74531497).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74531491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18632872 + ... + 18632875.

It is an arithmetic number, because the mean of its divisors is an integer number (27949311).

Almost surely, 2^74531494 is an apocalyptic number.

74531494 is a deficient number, since it is larger than the sum of its proper divisors (37265750).

74531494 is a wasteful number, since it uses less digits than its factorization.

74531494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37265749.

The product of its digits is 60480, while the sum is 37.

The square root of 74531494 is about 8633.1624564814. The cubic root of 74531494 is about 420.8363794527.

The spelling of 74531494 in words is "seventy-four million, five hundred thirty-one thousand, four hundred ninety-four".