74490156701 has 4 divisors (see below), whose sum is σ = 74553770304. Its totient is φ = 74426543100.

The previous prime is 74490156679. The next prime is 74490156739. The reversal of 74490156701 is 10765109447.

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 74490156701 - 2¹⁴ = 74490140317 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 (74490152701) 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, 31805045 + ... + 31807386.

It is an arithmetic number, because the mean of its divisors is an integer number (18638442576).

Almost surely, 2^74490156701 is an apocalyptic number.

It is an amenable number.

74490156701 is a deficient number, since it is larger than the sum of its proper divisors (63613603).

74490156701 is a wasteful number, since it uses less digits than its factorization.

74490156701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63613602.

The product of its (nonzero) digits is 211680, while the sum is 44.

The spelling of 74490156701 in words is "seventy-four billion, four hundred ninety million, one hundred fifty-six thousand, seven hundred one".