61734380 has 24 divisors (see below), whose sum is σ = 130265520. Its totient is φ = 24575040.

The previous prime is 61734373. The next prime is 61734383. The reversal of 61734380 is 8343716.

It is a super-2 number, since 2×61734380² = 7622267347968800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61734383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3095 + ... + 11534.

It is an arithmetic number, because the mean of its divisors is an integer number (5427730).

Almost surely, 2^61734380 is an apocalyptic number.

It is an amenable number.

61734380 is an abundant number, since it is smaller than the sum of its proper divisors (68531140).

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

61734380 is a wasteful number, since it uses less digits than its factorization.

61734380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14849 (or 14847 counting only the distinct ones).

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

The square root of 61734380 is about 7857.1228830915. The cubic root of 61734380 is about 395.2231394249.

The spelling of 61734380 in words is "sixty-one million, seven hundred thirty-four thousand, three hundred eighty".