74279734 has 4 divisors (see below), whose sum is σ = 111419604. Its totient is φ = 37139866.

The previous prime is 74279731. The next prime is 74279801. The reversal of 74279734 is 43797247.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43797247 = 13 ⋅3369019.

It is a super-2 number, since 2×74279734² = 11034957766221512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74279731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18569932 + ... + 18569935.

It is an arithmetic number, because the mean of its divisors is an integer number (27854901).

Almost surely, 2^74279734 is an apocalyptic number.

74279734 is a deficient number, since it is larger than the sum of its proper divisors (37139870).

74279734 is a wasteful number, since it uses less digits than its factorization.

74279734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37139869.

The product of its digits is 296352, while the sum is 43.

The square root of 74279734 is about 8618.5691387840. The cubic root of 74279734 is about 420.3619970518.

It can be divided in two parts, 7427 and 9734, that added together give a square (17161 = 131²).

The spelling of 74279734 in words is "seventy-four million, two hundred seventy-nine thousand, seven hundred thirty-four".