74145741655031 has 8 divisors (see below), whose sum is σ = 74711958076800. Its totient is φ = 73579528542520.

The previous prime is 74145741655009. The next prime is 74145741655033. The reversal of 74145741655031 is 13055614754147.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74145741655031 - 2⁴² = 69747695143927 is a prime.

It is a super-2 number, since 2×74145741655031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74145741655033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62718680 + ... + 63889938.

It is an arithmetic number, because the mean of its divisors is an integer number (9338994759600).

Almost surely, 2^{74145741655031} is an apocalyptic number.

74145741655031 is a deficient number, since it is larger than the sum of its proper divisors (566216421769).

74145741655031 is a wasteful number, since it uses less digits than its factorization.

74145741655031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654629.

The product of its (nonzero) digits is 7056000, while the sum is 53.

The spelling of 74145741655031 in words is "seventy-four trillion, one hundred forty-five billion, seven hundred forty-one million, six hundred fifty-five thousand, thirty-one".