61967320 has 16 divisors (see below), whose sum is σ = 139426560. Its totient is φ = 24786912.

The previous prime is 61967281. The next prime is 61967327. The reversal of 61967320 is 2376916.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61967327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774552 + ... + 774631.

It is an arithmetic number, because the mean of its divisors is an integer number (8714160).

Almost surely, 2^61967320 is an apocalyptic number.

It is an amenable number.

61967320 is an abundant number, since it is smaller than the sum of its proper divisors (77459240).

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

61967320 is a wasteful number, since it uses less digits than its factorization.

61967320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549194 (or 1549190 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 61967320 is about 7871.9324184091. The cubic root of 61967320 is about 395.7196090164.

The spelling of 61967320 in words is "sixty-one million, nine hundred sixty-seven thousand, three hundred twenty".