742053819 has 12 divisors (see below), whose sum is σ = 1071368376. Its totient is φ = 456648192.

The previous prime is 742053811. The next prime is 742053839. The reversal of 742053819 is 918350247.

It is not a de Polignac number, because 742053819 - 2³ = 742053811 is a prime.

It is a super-2 number, since 2×742053819² = 1101287740584969522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (742053811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 731302 + ... + 732315.

It is an arithmetic number, because the mean of its divisors is an integer number (89280698).

Almost surely, 2^742053819 is an apocalyptic number.

742053819 is a deficient number, since it is larger than the sum of its proper divisors (329314557).

742053819 is a wasteful number, since it uses less digits than its factorization.

742053819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463646 (or 1463633 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 742053819 is about 27240.6648046629. The cubic root of 742053819 is about 905.3401930141.

The spelling of 742053819 in words is "seven hundred forty-two million, fifty-three thousand, eight hundred nineteen".