61713500 has 24 divisors (see below), whose sum is σ = 134783376. Its totient is φ = 24685200.

The previous prime is 61713497. The next prime is 61713503. The reversal of 61713500 is 531716.

It is an interprime number because it is at equal distance from previous prime (61713497) and next prime (61713503).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61713503) 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, 61214 + ... + 62213.

It is an arithmetic number, because the mean of its divisors is an integer number (5615974).

Almost surely, 2^61713500 is an apocalyptic number.

It is an amenable number.

61713500 is an abundant number, since it is smaller than the sum of its proper divisors (73069876).

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

61713500 is a wasteful number, since it uses less digits than its factorization.

61713500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123446 (or 123434 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 61713500 is about 7855.7940400700. The cubic root of 61713500 is about 395.1785765212.

The spelling of 61713500 in words is "sixty-one million, seven hundred thirteen thousand, five hundred".