61442006 has 8 divisors (see below), whose sum is σ = 93674064. Its totient is φ = 30217320.

The previous prime is 61441987. The next prime is 61442011. The reversal of 61442006 is 60024416.

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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251690 + ... + 251933.

It is an arithmetic number, because the mean of its divisors is an integer number (11709258).

Almost surely, 2^61442006 is an apocalyptic number.

61442006 is a deficient number, since it is larger than the sum of its proper divisors (32232058).

61442006 is a wasteful number, since it uses less digits than its factorization.

61442006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503686.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 61442006 is about 7838.4951361853. The cubic root of 61442006 is about 394.5982263092.

The spelling of 61442006 in words is "sixty-one million, four hundred forty-two thousand, six".