42611930 has 8 divisors (see below), whose sum is σ = 76701492. Its totient is φ = 17044768.

The previous prime is 42611923. The next prime is 42611941. The reversal of 42611930 is 3911624.

It can be written as a sum of positive squares in 2 ways, for example, as 42601729 + 10201 = 6527^2 + 101^2 .

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

It is a super-3 number, since 3×42611930³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42611930.

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, 2130587 + ... + 2130606.

Almost surely, 2^42611930 is an apocalyptic number.

42611930 is a deficient number, since it is larger than the sum of its proper divisors (34089562).

42611930 is a wasteful number, since it uses less digits than its factorization.

42611930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261200.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 42611930 is about 6527.7813995262. The cubic root of 42611930 is about 349.2826941907.

The spelling of 42611930 in words is "forty-two million, six hundred eleven thousand, nine hundred thirty".