74902849 has 4 divisors (see below), whose sum is σ = 85603264. Its totient is φ = 64202436.

The previous prime is 74902847. The next prime is 74902897. The reversal of 74902849 is 94820947.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94820947 = 13 ⋅7293919.

It is a cyclic number.

It is not a de Polignac number, because 74902849 - 2¹ = 74902847 is a prime.

It is a super-2 number, since 2×74902849² = 11220873576633602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74902847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5350197 + ... + 5350210.

It is an arithmetic number, because the mean of its divisors is an integer number (21400816).

Almost surely, 2^74902849 is an apocalyptic number.

It is an amenable number.

74902849 is a deficient number, since it is larger than the sum of its proper divisors (10700415).

74902849 is a wasteful number, since it uses less digits than its factorization.

74902849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10700414.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 74902849 is about 8654.6432046619. The cubic root of 74902849 is about 421.5341643559.

The spelling of 74902849 in words is "seventy-four million, nine hundred two thousand, eight hundred forty-nine".