75377649 has 8 divisors (see below), whose sum is σ = 100723392. Its totient is φ = 50141840.

The previous prime is 75377629. The next prime is 75377651. The reversal of 75377649 is 94677357.

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 75377649 - 2¹³ = 75369457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75377598 and 75377607.

It is not an unprimeable number, because it can be changed into a prime (75377629) 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, 25869 + ... + 28634.

It is an arithmetic number, because the mean of its divisors is an integer number (12590424).

Almost surely, 2^75377649 is an apocalyptic number.

It is an amenable number.

75377649 is a deficient number, since it is larger than the sum of its proper divisors (25345743).

75377649 is a wasteful number, since it uses less digits than its factorization.

75377649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54967.

The product of its digits is 1111320, while the sum is 48.

The square root of 75377649 is about 8682.0302349163. The cubic root of 75377649 is about 422.4229734818.

The spelling of 75377649 in words is "seventy-five million, three hundred seventy-seven thousand, six hundred forty-nine".