7721453054 has 16 divisors (see below), whose sum is σ = 13933449600. Its totient is φ = 3135025944.

The previous prime is 7721453053. The next prime is 7721453099. The reversal of 7721453054 is 4503541277.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 7721452999 and 7721453017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7721453053) 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, 14513744 + ... + 14514275.

It is an arithmetic number, because the mean of its divisors is an integer number (870840600).

Almost surely, 2^7721453054 is an apocalyptic number.

7721453054 is a deficient number, since it is larger than the sum of its proper divisors (6211996546).

7721453054 is a wasteful number, since it uses less digits than its factorization.

7721453054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29028047.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 7721453054 is about 87871.7989687249. The cubic root of 7721453054 is about 1976.5130149606.

The spelling of 7721453054 in words is "seven billion, seven hundred twenty-one million, four hundred fifty-three thousand, fifty-four".