61870532 has 6 divisors (see below), whose sum is σ = 108273438. Its totient is φ = 30935264.

The previous prime is 61870519. The next prime is 61870537. The reversal of 61870532 is 23507816.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 48664576 + 13205956 = 6976^2 + 3634^2 .

It is not an unprimeable number, because it can be changed into a prime (61870537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7733813 + ... + 7733820.

It is an arithmetic number, because the mean of its divisors is an integer number (18045573).

Almost surely, 2^61870532 is an apocalyptic number.

It is an amenable number.

61870532 is a deficient number, since it is larger than the sum of its proper divisors (46402906).

61870532 is a wasteful number, since it uses less digits than its factorization.

61870532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15467637 (or 15467635 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 61870532 is about 7865.7823514257. The cubic root of 61870532 is about 395.5134741923.

The spelling of 61870532 in words is "sixty-one million, eight hundred seventy thousand, five hundred thirty-two".