61738965 has 24 divisors (see below), whose sum is σ = 109294848. Its totient is φ = 32225760.

The previous prime is 61738889. The next prime is 61738967. The reversal of 61738965 is 56983716.

It is a happy number.

It is not a de Polignac number, because 61738965 - 2¹⁶ = 61673429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 61738965.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61738967) 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, 12481 + ... + 16710.

It is an arithmetic number, because the mean of its divisors is an integer number (4553952).

Almost surely, 2^61738965 is an apocalyptic number.

It is an amenable number.

61738965 is a deficient number, since it is larger than the sum of its proper divisors (47555883).

61738965 is a wasteful number, since it uses less digits than its factorization.

61738965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29249 (or 29246 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 61738965 is about 7857.4146511432. The cubic root of 61738965 is about 395.2329235637.

The spelling of 61738965 in words is "sixty-one million, seven hundred thirty-eight thousand, nine hundred sixty-five".