61236442 has 8 divisors (see below), whose sum is σ = 95848416. Its totient is φ = 29286972.

The previous prime is 61236407. The next prime is 61236451. The reversal of 61236442 is 24463216.

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

It is a self number, because there is not a number n which added to its sum of digits gives 61236442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665568 + ... + 665659.

It is an arithmetic number, because the mean of its divisors is an integer number (11981052).

Almost surely, 2^61236442 is an apocalyptic number.

61236442 is a deficient number, since it is larger than the sum of its proper divisors (34611974).

61236442 is a wasteful number, since it uses less digits than its factorization.

61236442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331252.

The product of its digits is 6912, while the sum is 28.

The square root of 61236442 is about 7825.3716844633. The cubic root of 61236442 is about 394.1576709256.

Adding to 61236442 its reverse (24463216), we get a palindrome (85699658).

The spelling of 61236442 in words is "sixty-one million, two hundred thirty-six thousand, four hundred forty-two".