74147733 has 24 divisors (see below), whose sum is σ = 117149760. Its totient is φ = 44818560.

The previous prime is 74147729. The next prime is 74147737. The reversal of 74147733 is 33774147.

It is an interprime number because it is at equal distance from previous prime (74147729) and next prime (74147737).

It is not a de Polignac number, because 74147733 - 2² = 74147729 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74147737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49053 + ... + 50541.

It is an arithmetic number, because the mean of its divisors is an integer number (4881240).

Almost surely, 2^74147733 is an apocalyptic number.

It is an amenable number.

74147733 is a deficient number, since it is larger than the sum of its proper divisors (43002027).

74147733 is a wasteful number, since it uses less digits than its factorization.

74147733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009 (or 2006 counting only the distinct ones).

The product of its digits is 49392, while the sum is 36.

The square root of 74147733 is about 8610.9077918649. The cubic root of 74147733 is about 420.1128438285.

The spelling of 74147733 in words is "seventy-four million, one hundred forty-seven thousand, seven hundred thirty-three".