61725514 has 16 divisors (see below), whose sum is σ = 99947520. Its totient is φ = 28502320.

The previous prime is 61725493. The next prime is 61725533. The reversal of 61725514 is 41552716.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21802 + ... + 24469.

It is an arithmetic number, because the mean of its divisors is an integer number (6246720).

Almost surely, 2^61725514 is an apocalyptic number.

61725514 is a deficient number, since it is larger than the sum of its proper divisors (38222006).

61725514 is a wasteful number, since it uses less digits than its factorization.

61725514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46325.

The product of its digits is 8400, while the sum is 31.

The square root of 61725514 is about 7856.5586613988. The cubic root of 61725514 is about 395.2042184924.

The spelling of 61725514 in words is "sixty-one million, seven hundred twenty-five thousand, five hundred fourteen".