61507422 has 12 divisors (see below), whose sum is σ = 133266120. Its totient is φ = 20502468.

The previous prime is 61507417. The next prime is 61507423. The reversal of 61507422 is 22470516.

61507422 is a `hidden beast` number, since 615 + 0 + 7 + 42 + 2 = 666.

It is a super-2 number, since 2×61507422² = 7566325922172168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61507423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1708522 + ... + 1708557.

It is an arithmetic number, because the mean of its divisors is an integer number (11105510).

Almost surely, 2^61507422 is an apocalyptic number.

61507422 is an abundant number, since it is smaller than the sum of its proper divisors (71758698).

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

61507422 is a wasteful number, since it uses less digits than its factorization.

61507422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3417087 (or 3417084 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 61507422 is about 7842.6667658393. Note that the first 3 decimals coincide. The cubic root of 61507422 is about 394.7382167587.

Adding to 61507422 its reverse (22470516), we get a palindrome (83977938).

The spelling of 61507422 in words is "sixty-one million, five hundred seven thousand, four hundred twenty-two".