748511401 has 4 divisors (see below), whose sum is σ = 816557904. Its totient is φ = 680464900.

The previous prime is 748511383. The next prime is 748511429. The reversal of 748511401 is 104115847.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-748511401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (746511401) 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, 34023235 + ... + 34023256.

It is an arithmetic number, because the mean of its divisors is an integer number (204139476).

Almost surely, 2^748511401 is an apocalyptic number.

It is an amenable number.

748511401 is a deficient number, since it is larger than the sum of its proper divisors (68046503).

748511401 is a wasteful number, since it uses less digits than its factorization.

748511401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68046502.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 748511401 is about 27358.9364011103. The cubic root of 748511401 is about 907.9587951991.

The spelling of 748511401 in words is "seven hundred forty-eight million, five hundred eleven thousand, four hundred one".