61214442 has 16 divisors (see below), whose sum is σ = 124106880. Its totient is φ = 20125152.

The previous prime is 61214437. The next prime is 61214449. The reversal of 61214442 is 24441216.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (61214449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69442 + ... + 70317.

It is an arithmetic number, because the mean of its divisors is an integer number (7756680).

Almost surely, 2^61214442 is an apocalyptic number.

61214442 is an abundant number, since it is smaller than the sum of its proper divisors (62892438).

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

61214442 is a wasteful number, since it uses less digits than its factorization.

61214442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139837.

The product of its digits is 1536, while the sum is 24.

The square root of 61214442 is about 7823.9658741587. The cubic root of 61214442 is about 394.1104631567.

Adding to 61214442 its reverse (24441216), we get a palindrome (85655658).

The spelling of 61214442 in words is "sixty-one million, two hundred fourteen thousand, four hundred forty-two".