61342776 has 96 divisors (see below), whose sum is σ = 183895920. Its totient is φ = 18316800.

The previous prime is 61342751. The next prime is 61342777. The reversal of 61342776 is 67724316.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 61342776.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61342777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57286 + ... + 58346.

Almost surely, 2^61342776 is an apocalyptic number.

61342776 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61342776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91947960).

61342776 is an abundant number, since it is smaller than the sum of its proper divisors (122553144).

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

61342776 is a wasteful number, since it uses less digits than its factorization.

61342776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157 (or 1150 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 61342776 is about 7832.1629196538. The cubic root of 61342776 is about 394.3856839857.

The spelling of 61342776 in words is "sixty-one million, three hundred forty-two thousand, seven hundred seventy-six".