61364996 has 48 divisors (see below), whose sum is σ = 138227712. Its totient is φ = 23133600.

The previous prime is 61364993. The next prime is 61365011. The reversal of 61364996 is 69946316.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (61364993) 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 in 15 ways as a sum of consecutive naturals, for example, 6335 + ... + 12761.

It is an arithmetic number, because the mean of its divisors is an integer number (2879744).

Almost surely, 2^61364996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61364996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69113856).

61364996 is an abundant number, since it is smaller than the sum of its proper divisors (76862716).

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

61364996 is a wasteful number, since it uses less digits than its factorization.

61364996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6480 (or 6478 counting only the distinct ones).

The product of its digits is 209952, while the sum is 44.

The square root of 61364996 is about 7833.5813010398. The cubic root of 61364996 is about 394.4332972641.

The spelling of 61364996 in words is "sixty-one million, three hundred sixty-four thousand, nine hundred ninety-six".