74981293 has 8 divisors (see below), whose sum is σ = 77779328. Its totient is φ = 72231264.

The previous prime is 74981279. The next prime is 74981321. The reversal of 74981293 is 39218947.

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 74981293 - 2⁹ = 74980781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74981393) 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, 8805 + ... + 15082.

It is an arithmetic number, because the mean of its divisors is an integer number (9722416).

Almost surely, 2^74981293 is an apocalyptic number.

74981293 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

74981293 is a deficient number, since it is larger than the sum of its proper divisors (2798035).

74981293 is a wasteful number, since it uses less digits than its factorization.

74981293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24003.

The product of its digits is 108864, while the sum is 43.

The square root of 74981293 is about 8659.1739213391. The cubic root of 74981293 is about 421.6812673023.

The spelling of 74981293 in words is "seventy-four million, nine hundred eighty-one thousand, two hundred ninety-three".