74676733 has 12 divisors (see below), whose sum is σ = 79740180. Its totient is φ = 69919232.

The previous prime is 74676727. The next prime is 74676739. The reversal of 74676733 is 33767647.

It is an interprime number because it is at equal distance from previous prime (74676727) and next prime (74676739).

It can be written as a sum of positive squares in 6 ways, for example, as 2732409 + 71944324 = 1653^2 + 8482^2 .

It is not a de Polignac number, because 74676733 - 2¹³ = 74668541 is a prime.

It is a super-2 number, since 2×74676733² = 11153228903106578, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74676733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74676739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66783 + ... + 67891.

It is an arithmetic number, because the mean of its divisors is an integer number (6645015).

Almost surely, 2^74676733 is an apocalyptic number.

It is an amenable number.

74676733 is a deficient number, since it is larger than the sum of its proper divisors (5063447).

74676733 is a wasteful number, since it uses less digits than its factorization.

74676733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376 (or 1359 counting only the distinct ones).

The product of its digits is 444528, while the sum is 43.

The square root of 74676733 is about 8641.5700541048. The cubic root of 74676733 is about 421.1095623807.

The spelling of 74676733 in words is "seventy-four million, six hundred seventy-six thousand, seven hundred thirty-three".