61372438 has 16 divisors (see below), whose sum is σ = 94905360. Its totient is φ = 29748096.

The previous prime is 61372427. The next prime is 61372453. The reversal of 61372438 is 83427316.

It is a happy number.

It is a super-2 number, since 2×61372438² = 7533152292127688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9178 + ... + 14386.

It is an arithmetic number, because the mean of its divisors is an integer number (5931585).

Almost surely, 2^61372438 is an apocalyptic number.

61372438 is a deficient number, since it is larger than the sum of its proper divisors (33532922).

61372438 is a wasteful number, since it uses less digits than its factorization.

61372438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5391.

The product of its digits is 24192, while the sum is 34.

The square root of 61372438 is about 7834.0562928792. The cubic root of 61372438 is about 394.4492415001.

The spelling of 61372438 in words is "sixty-one million, three hundred seventy-two thousand, four hundred thirty-eight".