61348738 has 16 divisors (see below), whose sum is σ = 103103424. Its totient is φ = 27131760.

The previous prime is 61348711. The next prime is 61348753. The reversal of 61348738 is 83784316.

It is a self number, because there is not a number n which added to its sum of digits gives 61348738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36870 + ... + 38497.

It is an arithmetic number, because the mean of its divisors is an integer number (6443964).

Almost surely, 2^61348738 is an apocalyptic number.

61348738 is a deficient number, since it is larger than the sum of its proper divisors (41754686).

61348738 is a wasteful number, since it uses less digits than its factorization.

61348738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75417.

The product of its digits is 96768, while the sum is 40.

The square root of 61348738 is about 7832.5435204664. The cubic root of 61348738 is about 394.3984605582.

The spelling of 61348738 in words is "sixty-one million, three hundred forty-eight thousand, seven hundred thirty-eight".