61711452 has 108 divisors (see below), whose sum is σ = 177381568. Its totient is φ = 18057600.

The previous prime is 61711427. The next prime is 61711453. The reversal of 61711452 is 25411716.

It is a happy number.

61711452 is a `hidden beast` number, since 617 + 1 + 1 + 45 + 2 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61711453) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 134808 + ... + 135264.

Almost surely, 2^61711452 is an apocalyptic number.

61711452 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61711452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88690784).

61711452 is an abundant number, since it is smaller than the sum of its proper divisors (115670116).

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

61711452 is a wasteful number, since it uses less digits than its factorization.

61711452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 504 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 61711452 is about 7855.6636893390. The cubic root of 61711452 is about 395.1742050591.

The spelling of 61711452 in words is "sixty-one million, seven hundred eleven thousand, four hundred fifty-two".