61873401 has 4 divisors (see below), whose sum is σ = 82497872. Its totient is φ = 41248932.

The previous prime is 61873393. The next prime is 61873433. The reversal of 61873401 is 10437816.

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 not a de Polignac number, because 61873401 - 2³ = 61873393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61873451) 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, 10312231 + ... + 10312236.

It is an arithmetic number, because the mean of its divisors is an integer number (20624468).

Almost surely, 2^61873401 is an apocalyptic number.

It is an amenable number.

61873401 is a deficient number, since it is larger than the sum of its proper divisors (20624471).

61873401 is a wasteful number, since it uses less digits than its factorization.

61873401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20624470.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 61873401 is about 7865.9647215075. The cubic root of 61873401 is about 395.5195875529.

The spelling of 61873401 in words is "sixty-one million, eight hundred seventy-three thousand, four hundred one".