61303970 has 128 divisors (see below), whose sum is σ = 148055040. Its totient is φ = 17740800.

The previous prime is 61303967. The next prime is 61303973. The reversal of 61303970 is 7930316.

It is an interprime number because it is at equal distance from previous prime (61303967) and next prime (61303973).

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (61303973) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 606920 + ... + 607020.

It is an arithmetic number, because the mean of its divisors is an integer number (1156680).

Almost surely, 2^61303970 is an apocalyptic number.

61303970 is an abundant number, since it is smaller than the sum of its proper divisors (86751070).

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

61303970 is a wasteful number, since it uses less digits than its factorization.

61303970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 61303970 is about 7829.6851788562. The cubic root of 61303970 is about 394.3025024483.

The spelling of 61303970 in words is "sixty-one million, three hundred three thousand, nine hundred seventy".