74613431 has 8 divisors (see below), whose sum is σ = 76755504. Its totient is φ = 72501120.

The previous prime is 74613401. The next prime is 74613439. The reversal of 74613431 is 13431647.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74613431 - 2¹⁰ = 74612407 is a prime.

It is a super-2 number, since 2×74613431² = 11134328171183522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74613394 and 74613403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74613439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2306 + ... + 12431.

It is an arithmetic number, because the mean of its divisors is an integer number (9594438).

Almost surely, 2^74613431 is an apocalyptic number.

74613431 is a deficient number, since it is larger than the sum of its proper divisors (2142073).

74613431 is a wasteful number, since it uses less digits than its factorization.

74613431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14881.

The product of its digits is 6048, while the sum is 29.

The square root of 74613431 is about 8637.9066329754. The cubic root of 74613431 is about 420.9905399747.

It can be divided in two parts, 746 and 13431, that multiplied together give a triangular number (10019526 = T₄₄₇₆).

The spelling of 74613431 in words is "seventy-four million, six hundred thirteen thousand, four hundred thirty-one".