74839801 has 9 divisors (see below), whose sum is σ = 77074959. Its totient is φ = 72668400.

The previous prime is 74839799. The next prime is 74839811. The reversal of 74839801 is 10893847.

The square root of 74839801 is 8651.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 3606201 + 71233600 = 1899^2 + 8440^2 .

It is not a de Polignac number, because 74839801 - 2¹ = 74839799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74839811) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 354586 + ... + 354796.

Almost surely, 2^74839801 is an apocalyptic number.

74839801 is the 8651-st square number.

74839801 is the 4326-th centered octagonal number.

It is an amenable number.

74839801 is a deficient number, since it is larger than the sum of its proper divisors (2235158).

74839801 is an frugal number, since it uses more digits than its factorization.

74839801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The cubic root of 74839801 is about 421.4158584584.

The spelling of 74839801 in words is "seventy-four million, eight hundred thirty-nine thousand, eight hundred one".