61224667 has 24 divisors (see below), whose sum is σ = 76605264. Its totient is φ = 48609792.

The previous prime is 61224661. The next prime is 61224719. The reversal of 61224667 is 76642216.

It is a de Polignac number, because none of the positive numbers 2^k-61224667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61224661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55263 + ... + 56359.

It is an arithmetic number, because the mean of its divisors is an integer number (3191886).

Almost surely, 2^61224667 is an apocalyptic number.

61224667 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

61224667 is a deficient number, since it is larger than the sum of its proper divisors (15380597).

61224667 is a wasteful number, since it uses less digits than its factorization.

61224667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195 (or 1188 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 61224667 is about 7824.6192878631. The cubic root of 61224667 is about 394.1324054468.

The spelling of 61224667 in words is "sixty-one million, two hundred twenty-four thousand, six hundred sixty-seven".