70197400 has 288 divisors, whose sum is σ = 222642000. Its totient is φ = 20321280.

The previous prime is 70197383. The next prime is 70197427. The reversal of 70197400 is 479107.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2420586 + ... + 2420614.

Almost surely, 2^70197400 is an apocalyptic number.

70197400 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 70197400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111321000).

70197400 is an abundant number, since it is smaller than the sum of its proper divisors (152444600).

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

70197400 is a wasteful number, since it uses less digits than its factorization.

70197400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 70197400 is about 8378.3888666020. The cubic root of 70197400 is about 412.5155672117.

The spelling of 70197400 in words is "seventy million, one hundred ninety-seven thousand, four hundred".