74036673401 has 4 divisors (see below), whose sum is σ = 76037664612. Its totient is φ = 72035682192.

The previous prime is 74036673341. The next prime is 74036673427. The reversal of 74036673401 is 10437663047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10437663047 = 7 ⋅1491094721.

It can be written as a sum of positive squares in 2 ways, for example, as 42210113401 + 31826560000 = 205451^2 + 178400^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74036673401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74036673481) 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, 1000495550 + ... + 1000495623.

It is an arithmetic number, because the mean of its divisors is an integer number (19009416153).

Almost surely, 2^74036673401 is an apocalyptic number.

It is an amenable number.

74036673401 is a deficient number, since it is larger than the sum of its proper divisors (2000991211).

74036673401 is a wasteful number, since it uses less digits than its factorization.

74036673401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000991210.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 74036673401 in words is "seventy-four billion, thirty-six million, six hundred seventy-three thousand, four hundred one".