61331374 has 8 divisors (see below), whose sum is σ = 99073800. Its totient is φ = 28306776.

The previous prime is 61331371. The next prime is 61331399. The reversal of 61331374 is 47313316.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61331371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1179424 + ... + 1179475.

It is an arithmetic number, because the mean of its divisors is an integer number (12384225).

Almost surely, 2^61331374 is an apocalyptic number.

61331374 is a deficient number, since it is larger than the sum of its proper divisors (37742426).

61331374 is a wasteful number, since it uses less digits than its factorization.

61331374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2358914.

The product of its digits is 4536, while the sum is 28.

The square root of 61331374 is about 7831.4349898342. The cubic root of 61331374 is about 394.3612471815.

The spelling of 61331374 in words is "sixty-one million, three hundred thirty-one thousand, three hundred seventy-four".