61392406 has 16 divisors (see below), whose sum is σ = 97686864. Its totient is φ = 28836864.

The previous prime is 61392371. The next prime is 61392421. The reversal of 61392406 is 60429316.

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, 21541 + ... + 24223.

It is an arithmetic number, because the mean of its divisors is an integer number (6105429).

Almost surely, 2^61392406 is an apocalyptic number.

61392406 is a deficient number, since it is larger than the sum of its proper divisors (36294458).

61392406 is a wasteful number, since it uses less digits than its factorization.

61392406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 61392406 is about 7835.3306248045. The cubic root of 61392406 is about 394.4920159043.

The spelling of 61392406 in words is "sixty-one million, three hundred ninety-two thousand, four hundred six".