1745379077 has 4 divisors (see below), whose sum is σ = 1879639020. Its totient is φ = 1611119136.

The previous prime is 1745379067. The next prime is 1745379079. The reversal of 1745379077 is 7709735471.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7709735471 = 53 ⋅145466707.

It can be written as a sum of positive squares in 2 ways, for example, as 698597761 + 1046781316 = 26431^2 + 32354^2 .

It is a cyclic number.

It is not a de Polignac number, because 1745379077 - 2⁸ = 1745378821 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 (1745379079) 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, 67129952 + ... + 67129977.

It is an arithmetic number, because the mean of its divisors is an integer number (469909755).

Almost surely, 2^1745379077 is an apocalyptic number.

It is an amenable number.

1745379077 is a deficient number, since it is larger than the sum of its proper divisors (134259943).

1745379077 is a wasteful number, since it uses less digits than its factorization.

1745379077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134259942.

The product of its (nonzero) digits is 1296540, while the sum is 50.

The square root of 1745379077 is about 41777.7342253024. The cubic root of 1745379077 is about 1204.0095226765.

The spelling of 1745379077 in words is "one billion, seven hundred forty-five million, three hundred seventy-nine thousand, seventy-seven".