61023764 has 6 divisors (see below), whose sum is σ = 106791594. Its totient is φ = 30511880.

The previous prime is 61023757. The next prime is 61023769. The reversal of 61023764 is 46732016.

It can be written as a sum of positive squares in only one way, i.e., 44782864 + 16240900 = 6692^2 + 4030^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61023769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7627967 + ... + 7627974.

It is an arithmetic number, because the mean of its divisors is an integer number (17798599).

Almost surely, 2^61023764 is an apocalyptic number.

It is an amenable number.

61023764 is a deficient number, since it is larger than the sum of its proper divisors (45767830).

61023764 is a wasteful number, since it uses less digits than its factorization.

61023764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15255945 (or 15255943 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 61023764 is about 7811.7708619749. The cubic root of 61023764 is about 393.7008302085.

The spelling of 61023764 in words is "sixty-one million, twenty-three thousand, seven hundred sixty-four".