745614819 has 6 divisors (see below), whose sum is σ = 1076999196. Its totient is φ = 497076540.

The previous prime is 745614817. The next prime is 745614833. The reversal of 745614819 is 918416547.

745614819 is a `hidden beast` number, since 7 + 4 + 561 + 4 + 81 + 9 = 666.

It is not a de Polignac number, because 745614819 - 2¹ = 745614817 is a prime.

It is a super-2 number, since 2×745614819² = 1111882916624805522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (745614817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41423037 + ... + 41423054.

It is an arithmetic number, because the mean of its divisors is an integer number (179499866).

Almost surely, 2^745614819 is an apocalyptic number.

745614819 is a deficient number, since it is larger than the sum of its proper divisors (331384377).

745614819 is a wasteful number, since it uses less digits than its factorization.

745614819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82846097 (or 82846094 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 745614819 is about 27305.9484178814. The cubic root of 745614819 is about 906.7860778572.

The spelling of 745614819 in words is "seven hundred forty-five million, six hundred fourteen thousand, eight hundred nineteen".