61672552 has 8 divisors (see below), whose sum is σ = 115636050. Its totient is φ = 30836272.

The previous prime is 61672543. The next prime is 61672561. The reversal of 61672552 is 25527616.

It is an interprime number because it is at equal distance from previous prime (61672543) and next prime (61672561).

It can be written as a sum of positive squares in only one way, i.e., 54671236 + 7001316 = 7394^2 + 2646^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×61672552³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3854527 + ... + 3854542.

Almost surely, 2^61672552 is an apocalyptic number.

It is an amenable number.

61672552 is a deficient number, since it is larger than the sum of its proper divisors (53963498).

61672552 is a wasteful number, since it uses less digits than its factorization.

61672552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7709075 (or 7709071 counting only the distinct ones).

The product of its digits is 25200, while the sum is 34.

The square root of 61672552 is about 7853.1873783834. The cubic root of 61672552 is about 395.0911545220.

The spelling of 61672552 in words is "sixty-one million, six hundred seventy-two thousand, five hundred fifty-two".