73953401 has 4 divisors (see below), whose sum is σ = 74889600. Its totient is φ = 73017204.

The previous prime is 73953389. The next prime is 73953413. The reversal of 73953401 is 10435937.

It is a happy number.

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.

It is an interprime number because it is at equal distance from previous prime (73953389) and next prime (73953413).

It is a cyclic number.

It is not a de Polignac number, because 73953401 - 2⁶ = 73953337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78953401) 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, 467981 + ... + 468138.

It is an arithmetic number, because the mean of its divisors is an integer number (18722400).

Almost surely, 2^73953401 is an apocalyptic number.

It is an amenable number.

73953401 is a deficient number, since it is larger than the sum of its proper divisors (936199).

73953401 is an equidigital number, since it uses as much as digits as its factorization.

73953401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936198.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 73953401 is about 8599.6163286509. The cubic root of 73953401 is about 419.7455015248.

The spelling of 73953401 in words is "seventy-three million, nine hundred fifty-three thousand, four hundred one".