61787046 has 16 divisors (see below), whose sum is σ = 126203904. Its totient is φ = 20157384.

The previous prime is 61787021. The next prime is 61787057. The reversal of 61787046 is 64078716.

It is a super-2 number, since 2×61787046² = 7635278106812232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61786995 and 61787013.

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, 109270 + ... + 109833.

It is an arithmetic number, because the mean of its divisors is an integer number (7887744).

Almost surely, 2^61787046 is an apocalyptic number.

61787046 is an abundant number, since it is smaller than the sum of its proper divisors (64416858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61787046 is a wasteful number, since it uses less digits than its factorization.

61787046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219155.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 61787046 is about 7860.4736498509. The cubic root of 61787046 is about 395.3354966213.

The spelling of 61787046 in words is "sixty-one million, seven hundred eighty-seven thousand, forty-six".