74628293 has 8 divisors (see below), whose sum is σ = 76383648. Its totient is φ = 72885904.

The previous prime is 74628287. The next prime is 74628311. The reversal of 74628293 is 39282647.

It is a happy number.

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 74628293 - 2²² = 70433989 is a prime.

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 74628293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74628233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8930 + ... + 15132.

It is an arithmetic number, because the mean of its divisors is an integer number (9547956).

Almost surely, 2^74628293 is an apocalyptic number.

It is an amenable number.

74628293 is a deficient number, since it is larger than the sum of its proper divisors (1755355).

74628293 is a wasteful number, since it uses less digits than its factorization.

74628293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6483.

The product of its digits is 145152, while the sum is 41.

The square root of 74628293 is about 8638.7668680200. The cubic root of 74628293 is about 421.0184900187.

The spelling of 74628293 in words is "seventy-four million, six hundred twenty-eight thousand, two hundred ninety-three".