61492388 has 6 divisors (see below), whose sum is σ = 107611686. Its totient is φ = 30746192.

The previous prime is 61492373. The next prime is 61492391. The reversal of 61492388 is 88329416.

It can be written as a sum of positive squares in only one way, i.e., 39664804 + 21827584 = 6298^2 + 4672^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7686545 + ... + 7686552.

It is an arithmetic number, because the mean of its divisors is an integer number (17935281).

Almost surely, 2^61492388 is an apocalyptic number.

It is an amenable number.

61492388 is a deficient number, since it is larger than the sum of its proper divisors (46119298).

61492388 is a wasteful number, since it uses less digits than its factorization.

61492388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15373101 (or 15373099 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 61492388 is about 7841.7082322667. The cubic root of 61492388 is about 394.7060527383.

The spelling of 61492388 in words is "sixty-one million, four hundred ninety-two thousand, three hundred eighty-eight".