74460819 has 4 divisors (see below), whose sum is σ = 99281096. Its totient is φ = 49640544.

The previous prime is 74460817. The next prime is 74460847. The reversal of 74460819 is 91806447.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 74460819 - 2¹ = 74460817 is a prime.

It is a super-2 number, since 2×74460819² = 11088827132301522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74460817) 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, 12410134 + ... + 12410139.

It is an arithmetic number, because the mean of its divisors is an integer number (24820274).

Almost surely, 2^74460819 is an apocalyptic number.

74460819 is a deficient number, since it is larger than the sum of its proper divisors (24820277).

74460819 is a wasteful number, since it uses less digits than its factorization.

74460819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24820276.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 74460819 is about 8629.0682579291. The cubic root of 74460819 is about 420.7033170577.

The spelling of 74460819 in words is "seventy-four million, four hundred sixty thousand, eight hundred nineteen".