7734398401 has 4 divisors (see below), whose sum is σ = 7736283904. Its totient is φ = 7732512900.

The previous prime is 7734398359. The next prime is 7734398429. The reversal of 7734398401 is 1048934377.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1048934377 = 12577 ⋅83401.

It is a cyclic number.

It is not a de Polignac number, because 7734398401 - 2⁹ = 7734397889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7734398201) 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, 936585 + ... + 944806.

It is an arithmetic number, because the mean of its divisors is an integer number (1934070976).

Almost surely, 2^7734398401 is an apocalyptic number.

It is an amenable number.

7734398401 is a deficient number, since it is larger than the sum of its proper divisors (1885503).

7734398401 is a wasteful number, since it uses less digits than its factorization.

7734398401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885502.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 7734398401 is about 87945.4285395210. The cubic root of 7734398401 is about 1977.6169678443.

The spelling of 7734398401 in words is "seven billion, seven hundred thirty-four million, three hundred ninety-eight thousand, four hundred one".