61629316 has 24 divisors (see below), whose sum is σ = 123742080. Its totient is φ = 26308992.

The previous prime is 61629311. The next prime is 61629319. The reversal of 61629316 is 61392616.

It is not an unprimeable number, because it can be changed into a prime (61629311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3180 + ... + 11548.

It is an arithmetic number, because the mean of its divisors is an integer number (5155920).

Almost surely, 2^61629316 is an apocalyptic number.

It is an amenable number.

61629316 is an abundant number, since it is smaller than the sum of its proper divisors (62112764).

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

61629316 is a wasteful number, since it uses less digits than its factorization.

61629316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8643 (or 8641 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 61629316 is about 7850.4341281231. The cubic root of 61629316 is about 394.9988057433.

The spelling of 61629316 in words is "sixty-one million, six hundred twenty-nine thousand, three hundred sixteen".