74013374378 has 4 divisors (see below), whose sum is σ = 111020061570. Its totient is φ = 37006687188.

The previous prime is 74013374371. The next prime is 74013374389. The reversal of 74013374378 is 87347331047.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 53436332569 + 20577041809 = 231163^2 + 143447^2 .

It is not an unprimeable number, because it can be changed into a prime (74013374371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18503343593 + ... + 18503343596.

Almost surely, 2^74013374378 is an apocalyptic number.

74013374378 is a deficient number, since it is larger than the sum of its proper divisors (37006687192).

74013374378 is a wasteful number, since it uses less digits than its factorization.

74013374378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37006687191.

The product of its (nonzero) digits is 1185408, while the sum is 47.

The spelling of 74013374378 in words is "seventy-four billion, thirteen million, three hundred seventy-four thousand, three hundred seventy-eight".