70400001 has 8 divisors (see below), whose sum is σ = 107276224. Its totient is φ = 40228560.

The previous prime is 70399999. The next prime is 70400003. The reversal of 70400001 is 10000407.

It is an interprime number because it is at equal distance from previous prime (70399999) and next prime (70400003).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70400001 - 2¹ = 70399999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70400001.

It is not an unprimeable number, because it can be changed into a prime (70400003) 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, 1676170 + ... + 1676211.

It is an arithmetic number, because the mean of its divisors is an integer number (13409528).

Almost surely, 2^70400001 is an apocalyptic number.

It is an amenable number.

70400001 is a deficient number, since it is larger than the sum of its proper divisors (36876223).

70400001 is a wasteful number, since it uses less digits than its factorization.

70400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352391.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 70400001 is about 8390.4708449526. The cubic root of 70400001 is about 412.9120481376.

Adding to 70400001 its reverse (10000407), we get a palindrome (80400408).

The spelling of 70400001 in words is "seventy million, four hundred thousand, one".