61733480 has 16 divisors (see below), whose sum is σ = 138900420. Its totient is φ = 24693376.

The previous prime is 61733473. The next prime is 61733519. The reversal of 61733480 is 8433716.

It can be written as a sum of positive squares in 2 ways, for example, as 61246276 + 487204 = 7826^2 + 698^2 .

It is a super-2 number, since 2×61733480² = 7622045105820800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771629 + ... + 771708.

Almost surely, 2^61733480 is an apocalyptic number.

It is an amenable number.

61733480 is an abundant number, since it is smaller than the sum of its proper divisors (77166940).

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

61733480 is a wasteful number, since it uses less digits than its factorization.

61733480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543348 (or 1543344 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 61733480 is about 7857.0656100099. The cubic root of 61733480 is about 395.2212188173.

The spelling of 61733480 in words is "sixty-one million, seven hundred thirty-three thousand, four hundred eighty".