61371672 has 32 divisors (see below), whose sum is σ = 161505600. Its totient is φ = 19380384.

The previous prime is 61371647. The next prime is 61371679. The reversal of 61371672 is 27617316.

It is a super-3 number, since 3×61371672³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61371679) 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, 66838 + ... + 67749.

It is an arithmetic number, because the mean of its divisors is an integer number (5047050).

Almost surely, 2^61371672 is an apocalyptic number.

It is an amenable number.

61371672 is an abundant number, since it is smaller than the sum of its proper divisors (100133928).

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

61371672 is a wasteful number, since it uses less digits than its factorization.

61371672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134615 (or 134611 counting only the distinct ones).

The product of its digits is 10584, while the sum is 33.

The square root of 61371672 is about 7834.0074036217. The cubic root of 61371672 is about 394.4476004303.

Adding to 61371672 its reverse (27617316), we get a palindrome (88988988).

The spelling of 61371672 in words is "sixty-one million, three hundred seventy-one thousand, six hundred seventy-two".