61243754 has 32 divisors (see below), whose sum is σ = 108573696. Its totient is φ = 25542720.

The previous prime is 61243753. The next prime is 61243789. The reversal of 61243754 is 45734216.

It is a self number, because there is not a number n which added to its sum of digits gives 61243754.

It is not an unprimeable number, because it can be changed into a prime (61243751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55799 + ... + 56885.

It is an arithmetic number, because the mean of its divisors is an integer number (3392928).

Almost surely, 2^61243754 is an apocalyptic number.

61243754 is a deficient number, since it is larger than the sum of its proper divisors (47329942).

61243754 is a wasteful number, since it uses less digits than its factorization.

61243754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310.

The product of its digits is 20160, while the sum is 32.

The square root of 61243754 is about 7825.8388687731. The cubic root of 61243754 is about 394.1733585678.

The spelling of 61243754 in words is "sixty-one million, two hundred forty-three thousand, seven hundred fifty-four".