73803740477 has 4 divisors (see below), whose sum is σ = 74737965120. Its totient is φ = 72869515836.

The previous prime is 73803740473. The next prime is 73803740489. The reversal of 73803740477 is 77404730837.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73803740477 - 2² = 73803740473 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73803740473) 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, 467112203 + ... + 467112360.

It is an arithmetic number, because the mean of its divisors is an integer number (18684491280).

Almost surely, 2^73803740477 is an apocalyptic number.

It is an amenable number.

73803740477 is a deficient number, since it is larger than the sum of its proper divisors (934224643).

73803740477 is an equidigital number, since it uses as much as digits as its factorization.

73803740477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934224642.

The product of its (nonzero) digits is 2765952, while the sum is 50.

The spelling of 73803740477 in words is "seventy-three billion, eight hundred three million, seven hundred forty thousand, four hundred seventy-seven".