61019996 has 6 divisors (see below), whose sum is σ = 106785000. Its totient is φ = 30509996.

The previous prime is 61019977. The next prime is 61020017. The reversal of 61019996 is 69991016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7627496 + ... + 7627503.

It is an arithmetic number, because the mean of its divisors is an integer number (17797500).

Almost surely, 2^61019996 is an apocalyptic number.

It is an amenable number.

61019996 is a deficient number, since it is larger than the sum of its proper divisors (45765004).

61019996 is a wasteful number, since it uses less digits than its factorization.

61019996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15255003 (or 15255001 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 61019996 is about 7811.5296837431. The cubic root of 61019996 is about 393.6927268339.

The spelling of 61019996 in words is "sixty-one million, nineteen thousand, nine hundred ninety-six".