74598401 has 16 divisors (see below), whose sum is σ = 79002000. Its totient is φ = 70357248.

The previous prime is 74598373. The next prime is 74598409. The reversal of 74598401 is 10489547.

It can be written as a sum of positive squares in 8 ways, for example, as 21381376 + 53217025 = 4624^2 + 7295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74598401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74598409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213575 + ... + 213923.

It is an arithmetic number, because the mean of its divisors is an integer number (4937625).

Almost surely, 2^74598401 is an apocalyptic number.

It is an amenable number.

74598401 is a deficient number, since it is larger than the sum of its proper divisors (4403599).

74598401 is a wasteful number, since it uses less digits than its factorization.

74598401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 74598401 is about 8637.0365867003. The cubic root of 74598401 is about 420.9622702086.

The spelling of 74598401 in words is "seventy-four million, five hundred ninety-eight thousand, four hundred one".