61400746 has 8 divisors (see below), whose sum is σ = 100473984. Its totient is φ = 27909420.

The previous prime is 61400683. The next prime is 61400747. The reversal of 61400746 is 64700416.

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

It is not an unprimeable number, because it can be changed into a prime (61400747) 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, 1395450 + ... + 1395493.

It is an arithmetic number, because the mean of its divisors is an integer number (12559248).

Almost surely, 2^61400746 is an apocalyptic number.

61400746 is a deficient number, since it is larger than the sum of its proper divisors (39073238).

61400746 is a wasteful number, since it uses less digits than its factorization.

61400746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790956.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 61400746 is about 7835.8628114586. The cubic root of 61400746 is about 394.5098786697.

The spelling of 61400746 in words is "sixty-one million, four hundred thousand, seven hundred forty-six".