61576746 has 32 divisors (see below), whose sum is σ = 153543168. Its totient is φ = 15993840.

The previous prime is 61576733. The next prime is 61576747. The reversal of 61576746 is 64767516.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 61576698 and 61576707.

It is not an unprimeable number, because it can be changed into a prime (61576747) 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, 66180 + ... + 67103.

It is an arithmetic number, because the mean of its divisors is an integer number (4798224).

Almost surely, 2^61576746 is an apocalyptic number.

61576746 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

61576746 is an abundant number, since it is smaller than the sum of its proper divisors (91966422).

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

61576746 is a wasteful number, since it uses less digits than its factorization.

61576746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133306.

The product of its digits is 211680, while the sum is 42.

The square root of 61576746 is about 7847.0851913306. The cubic root of 61576746 is about 394.8864620537.

The spelling of 61576746 in words is "sixty-one million, five hundred seventy-six thousand, seven hundred forty-six".