60400731 has 8 divisors (see below), whose sum is σ = 80594944. Its totient is φ = 40236840.

The previous prime is 60400721. The next prime is 60400757. The reversal of 60400731 is 13700406.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 60400731 - 2⁷ = 60400603 is a prime.

It is a super-2 number, since 2×60400731² = 7296496610668722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 60400698 and 60400707.

It is not an unprimeable number, because it can be changed into a prime (60400721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2431 + ... + 11256.

It is an arithmetic number, because the mean of its divisors is an integer number (10074368).

Almost surely, 2^60400731 is an apocalyptic number.

60400731 is a deficient number, since it is larger than the sum of its proper divisors (20194213).

60400731 is a wasteful number, since it uses less digits than its factorization.

60400731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15161.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 60400731 is about 7771.7907202909. The cubic root of 60400731 is about 392.3563914022.

The spelling of 60400731 in words is "sixty million, four hundred thousand, seven hundred thirty-one".