61224374 has 4 divisors (see below), whose sum is σ = 91836564. Its totient is φ = 30612186.

The previous prime is 61224353. The next prime is 61224377. The reversal of 61224374 is 47342216.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61224377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15306092 + ... + 15306095.

It is an arithmetic number, because the mean of its divisors is an integer number (22959141).

Almost surely, 2^61224374 is an apocalyptic number.

61224374 is a deficient number, since it is larger than the sum of its proper divisors (30612190).

61224374 is a wasteful number, since it uses less digits than its factorization.

61224374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30612189.

The product of its digits is 8064, while the sum is 29.

The square root of 61224374 is about 7824.6005648851. The cubic root of 61224374 is about 394.1317767188.

The spelling of 61224374 in words is "sixty-one million, two hundred twenty-four thousand, three hundred seventy-four".