71368970400 has 2160 divisors, whose sum is σ = 345962232000. Its totient is φ = 14265538560.

The previous prime is 71368970389. The next prime is 71368970423. The reversal of 71368970400 is 407986317.

71368970400 is a `hidden beast` number, since 71 + 36 + 89 + 70 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (2160).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 3756261591 + ... + 3756261609.

It is an arithmetic number, because the mean of its divisors is an integer number (160167700).

Almost surely, 2^71368970400 is an apocalyptic number.

71368970400 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71368970400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172981116000).

71368970400 is an abundant number, since it is smaller than the sum of its proper divisors (274593261600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71368970400 is a wasteful number, since it uses less digits than its factorization.

71368970400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 71368970400 in words is "seventy-one billion, three hundred sixty-eight million, nine hundred seventy thousand, four hundred".