61379072 has 20 divisors (see below), whose sum is σ = 122639286. Its totient is φ = 30689280.

The previous prime is 61379047. The next prime is 61379083. The reversal of 61379072 is 27097316.

It can be written as a sum of positive squares in only one way, i.e., 41165056 + 20214016 = 6416^2 + 4496^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59429 + ... + 60452.

Almost surely, 2^61379072 is an apocalyptic number.

It is an amenable number.

61379072 is a deficient number, since it is larger than the sum of its proper divisors (61260214).

61379072 is an equidigital number, since it uses as much as digits as its factorization.

61379072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119899 (or 119883 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 61379072 is about 7834.4796891689. The cubic root of 61379072 is about 394.4634535366.

The spelling of 61379072 in words is "sixty-one million, three hundred seventy-nine thousand, seventy-two".