76019890 has 8 divisors (see below), whose sum is σ = 136835820. Its totient is φ = 30407952.

The previous prime is 76019873. The next prime is 76019891. The reversal of 76019890 is 9891067.

It can be written as a sum of positive squares in 2 ways, for example, as 71927361 + 4092529 = 8481^2 + 2023^2 .

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

It is a super-2 number, since 2×76019890² = 11558047351224200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76019891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3800985 + ... + 3801004.

Almost surely, 2^76019890 is an apocalyptic number.

76019890 is a deficient number, since it is larger than the sum of its proper divisors (60815930).

76019890 is a wasteful number, since it uses less digits than its factorization.

76019890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7601996.

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 76019890 is about 8718.9385821899. The cubic root of 76019890 is about 423.6193071897.

The spelling of 76019890 in words is "seventy-six million, nineteen thousand, eight hundred ninety".